Let's assume the cost 20 years ago equals x
3x - 3 = 75
or
x = 75 / 3 + 3
Step-by-step explanation:
210 ÷ [ 5 + 16 ÷ 2 { 6 - 18 ÷ ( 7 + 2 ) } ] - 15
210 ÷ [ 5 + 16 ÷ 2 { 6 - 18 ÷ 9 } ] - 15
210 ÷ [ 5 + 16 ÷ 2 { 6 - 2 } ] - 15
210 ÷ [ 5 + 16 ÷ 2 { 4 } ] - 15
210 ÷ [ 5 + 16 ÷ 8 ] - 15
210 ÷ [ 5 + 2 ] - 15
210 ÷ 7 - 15
30 - 15
15
Answer:
4).
Step-by-step explanation:
sin A = cos B
Because sin A = CB/AB and cos B = CB/AB.
9.8 is a rational number that is between 9.7 and 9.9. Hope this helps!
Answer:
$509.60 is how much he will make in total.
Step-by-step explanation:
Create an equation from the word problem and solve.